CHICAGO--(BUSINESS WIRE)--Fitch Ratings expects stable ratings for Fitch-rated U.S.-based tobacco entities and a stable sector outlook in 2015. Fitch's view reflects relatively steady credit profiles backstopped by sustained net price realization in the traditional cigarette category, manageable litigation risk, and growing diversification arising from innovation. Market dynamics will shift during 2015 upon completion of Reynolds American Inc.'s acquisition of Lorillard Inc. In Fitch's estimati